JavaScript 默认参数、动态参数、剩余参数

默认参数：

    <script>
      function selet(num, max) {
        console.log(num + max);
      }
      selet(1, 5);
    </script>

动态参数：

   <script>
      function active() {
        for (let i = 0; i < arguments.length; i++) {
          console.log(arguments[i]);
        }
      }
      active(1, 5, 6, 8, 9, 10, 11, 12);
    </script>

剩余参数：

    <script>
      function active(a, b, ...c) {
        console.log(a, b, ...c);
      }
      active(1, 5, 6, 8, 9, 10, 11, 12);
    </script>